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Technical Information
Table 9. Recommended Separation Distances
This table details the recommended separation distances between portable and
mobile RF communications equipment and this device.
This device is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. Users of this device can help prevent
electromagnetic interference by maintaining a minimum distance between
portable and mobile RF communication equipment (transmitters) and the device
as recommended below, according to maximum output power of the
Rated
Maximum
Output Power
of Transmitter
W
0.01
0.1
1
10
100
For transmitters rated at a maximum output power not listed above, the
recommended separation distance d in meters (m) can be estimated using the
equation applicable to the frequency of the transmitter, where P is the maximum
output power rating of the transmitter in watts (W) according to the transmitter
manufacturer.
NOTES:
• At 80 MHz and 800 MHz, the separation distance for the higher frequency
range applies.
• These guidelines may not apply in all situations. Electromagnetic
propagation is affected by absorption and reflection from structures,
objects, and people.
communications equipment.
Separation Distance According to Frequency of
150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2.5 GHz
d
=
1.17 P
0.12
0.37
1.2
3.7
12
Transmitter
d
=
1.17 P
0.12
0.37
1.2
3.7
12
d
=
2.33 P
0.23
0.74
2.3
7.4
23
43
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